semaphore/src/scss/global.scss

@import './fonts.scss';
@import './variables.scss';
@import './focus.scss';

body {
  margin: 0;
  font-family: system-ui, -apple-system, SemaphoreRegular, sans-serif;
  font-size: 14px;
  line-height: 1.4;
  color: var(--body-text-color);
  background: var(--body-bg);
  -webkit-tap-highlight-color: transparent; // fix for blue background on spoiler tap on Chrome for Android
  overflow-x: hidden; // Prevent horizontal scrolling on mobile Firefox on small screens

  @media (max-width: 240px) {
    font-size: 0.75em; /* tiny text for tiny screens */
  }

}

.main-content {
  contain: content; // see https://www.w3.org/TR/2018/CR-css-contain-1-20181108/#valdef-contain-content
  padding-top: var(--main-content-pad-top);
  padding-bottom: var(--main-content-pad-bottom);

  @supports not (contain: content) {
    // For browsers which don't support the "contain" CSS property,
    // make a stacking context manually so that the z-index behavior
    // is consistent. See: https://github.com/nolanlawson/pinafore/issues/1806
    isolation: isolate;
  }
}

main {
  position: relative;
  width: 602px;
  // take into account scrollbars;
  // https://stackoverflow.com/a/34884924
  max-width: 100%;
  padding: 0;
  box-sizing: border-box;
  margin: 0 auto var(--main-margin-bottom);
  background: var(--main-bg);
  border: var(--main-border-size) solid var(--main-border);
  border-radius: 1px;
  min-height: 70vh;
}

footer {
  width: 602px;
  max-width: 100vw;
  box-sizing: border-box;
  margin: 15px auto;
  border-radius: 1px;
  background: var(--main-bg);
  font-size: 0.9em;
  padding: 20px;
  border: 1px solid var(--main-border);
}

h1, h2, h3, h4, h5, h6 {
  margin: 0 0 0.5em 0;
  font-weight: 400;
  line-height: 1.2;
}

h1 {
  font-size: 2em;
}

a {
  color: var(--anchor-text);
  text-decoration: none;

  &:visited {
    color: var(--anchor-text);
  }

  &:hover {
    text-decoration: underline;
  }

}

input {
  border: 1px solid var(--input-border);
  padding: 5px;
  box-sizing: border-box;
}

input[type=search] {
  -webkit-appearance: none; // reset Safari user agent stylesheet
}

// Fixes gray/black background when using a dark GTK theme
input, textarea {
  background: inherit;
  color: inherit;
}

button, .button {
  font-size: 1.2em;
  background: var(--button-bg);
  border-radius: 2px;
  padding: 10px 15px;
  border: 1px solid var(--button-border);
  cursor: pointer;
  color: var(--button-text);

  &:hover {
    background: var(--button-bg-hover);
    text-decoration: none;
  }

  &:active {
    background: var(--button-bg-active);
  }

  &[disabled] {
    opacity: 0.35;
    pointer-events: none;
    cursor: not-allowed;
  }

  &.primary {
    border: 1px solid var(--button-primary-border);
    background: var(--button-primary-bg);
    color: var(--button-primary-text);

    &:hover {
      background: var(--button-primary-bg-hover);
    }

    &:active {
      background: var(--button-primary-bg-active);
    }
  }
}

p, label, input {
  font-size: 1.3em;
}

ul, li, p {
  padding: 0;
  margin: 0;
}

.hidden {
  opacity: 0;
}

button::-moz-focus-inner {
  border: 0;
}

/* Firefox hacks to remove ugly red border.
   Unnecessary since it gives a warning if you submit an empty field anyway. */
input:required, input:invalid {
  box-shadow: none;
}

textarea {
  font-family: CountryFlagEmojiPolyfill, system-ui, -apple-system, SemaphoreRegular, sans-serif, SemaphoreEmoji;
  font-size: inherit;
  box-sizing: border-box;
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

.spin {
  animation: spin 0.6s steps(8) infinite;
}

.ellipsis::after {
  content: "\2026";
}

/* via https://stackoverflow.com/a/19758620 */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* this gets injected as raw HTML, so it's easiest to just define it in global.scss */
.inline-custom-emoji {
  width: 1.4em;
  height: 1.4em;
  margin: -0.1em 0;
  object-fit: contain;
  vertical-align: middle;
}

.inline-emoji {
  font-family: CountryFlagEmojiPolyfill, SemaphoreEmoji, sans-serif;
}

.invisible {
  /* copied from Mastodon */
  font-size: 0;
  line-height: 0;
  display: inline-block;
  width: 0;
  height: 0;
  position: absolute;
}